The Nurse Is Reviewing the Procedure for a Continuous Lumbar

The nurse is reviewing the procedure for a continuous lumbar epidural block with a patient in the 3^rd trimester of pregnancy. When reviewing this information what does the following diagram demonstrate to the patient?

A) Preparation of the skin prior to the insertion of the catheter
B) Status of the vertebra when the patient is in the correct position
C) The length of the needle to be inserted in the subarachnoid space
D) Vertebrae rotated forward when the patient is side-lying without a pillow